Improved electrical breast pump

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/06 (2006.01) B65D 41/04 (2006.01)

Patent

CA 2478190

A vacuum control system controls the amount of time that pressure is applied to a breast and the amount of time no pressure is applied to the breast, independent of the vacuum level. The amount of time that pressure is applied to a breast and the amount of vacuum applied to the breast cups can be varied by the user. A disposable biological filter isolates the pump from the breast cups. The biological filter is packaged in a housing that has an O-ring push-in connector to connect the collection system to the pump. The vacuum applied to the breast cups is monitored. The control system maintains the vacuum at a level set by the user. A second higher level is used as a safety threshold. The control system shuts down the pump when this higher level is sensed. The breast cup is constructed to provide a controlled collapse when vacuum is applied to mimic the suckling of an infant.

Système de contrôle de dépression visant à contrôler la durée d'application d'une pression sur un sein et la période où aucune pression n'est appliquée sur le sein, indépendamment du niveau de dépression. L'utilisateur peut faire varier la période d'application d'une pression sur le sein et le niveau de dépression appliquée sur les cupules. Un filtre biologique jetable isole la pompe des cupules. Le filtre biologique est logé dans un boîtier muni d'un raccord pression à joint torique pour relier le système de captage à la pompe. La dépression appliquée aux cupules est contrôlée par un système qui maintient la dépression au niveau choisi par l'utilisateur. Un second niveau plus élevé sert de seuil de sécurité. Le système de contrôle arrête la pompe lors de la détection de ce niveau plus élevé. La cupule est fabriquée de façon à assurer un écrasement contrôlé lors de l'application d'une dépression afin d'imiter l'effet d'allaitement d'un bébé.

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